A look at Facebook and its IPO

Facebook plans an initial public offering of stock, the most anticipated tech IPO since Google went public in 2004. Trading of Facebook's public shares is expected to begin May 18 on the Nasdaq Stock Market. The stock will trade under the symbol "FB."

Here's a look at the IPO, and the world's largest online social network, based on the company's recent regulatory filings:

— Shares are expected to debut at $28 to $35 apiece, a range that values the company at close to $100 billion. The specific price is expected to be released the day before trading begins.

— At the high end of the share price range, Facebook and its current shareholders could raise as much as $13.58 billion.

— Facebook's first-quarter net income fell 12 percent to $205 million due in part to higher expenses. Its revenue rose 45 percent to $1.06 billion.

— Facebook had 901 million total active users a month at the end of March. That's up from 845 million as of the end of 2011.

— More than half a billion people (526 million) sign onto Facebook each day.

— More than half of Facebook's monthly users (488 million) view, post and upload content to the site using mobile devices such as smart phones or tablets.

— Facebook is home to 125 billion "friendships."

— More than 300 million snapshots are uploaded every day to the site.

— There are 2 billion "likes" each day.

— One billion comments are posted daily.

— Facebook is the most-downloaded mobile app in the world.